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COLORADO <br />Division of Reclamation, <br />Mining and Safety <br />Department of Natural Resources <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />Interoffice Memorandum <br />August 8, 2014 <br />From: Leigh Simmons ' <br />To: Susan Burgmaier <br />Subject: Bowie No. 2 Mine (Permit No. C- 1981 -012) <br />PR -14, groundwater review of first adequacy response <br />My comments on BRL's response to the issues raised in the initial adequacy review are as follows: <br />Rule 2.04.7(1)— Groundwater Information <br />47. Existing up- gradient groundwater monitoring points, CWI -DH -58 and -60 <br />BRL - BRL will be working on well rehabilitation with the next two months. <br />The permit text will need to be updated after the work has been completed. <br />48. Description of wells 2010 -113 and -1SS <br />BRL - Pages 2.04 -35 and 36 were revised as requested. <br />The response is sufficient. <br />49. Down gradient groundwater <br />BRL - BRL has agreed to the installation of two down gradient points of compliance. <br />The Division is eager to learn more about the details of the proposed new wells, including the <br />proposed construction method and the scheduled time for completion, etc. The water monitoring <br />plan will need to be updated, as will all maps that show water monitoring locations (Maps 9, 10a <br />and 10b). Depending on the timing of other aspects of PR -14, BRL may wish to consider submitting <br />a TR to incorporate these new wells into the water monitoring program. <br />50. Page 2.04 -38 text <br />BRL - The change was made to page 2.04 -38. <br />The response is sufficient. <br />Rule 2.05.6(3) — Protection of the hydrological balance <br />51. Plan to mine through 2010 -113 and 2010 -1SS in 2015 <br />BRL - Currently approved permit page 2.05 -116 is PR -14 page 2.05 -123. Changes to the <br />monitoring plans were added to page 2.05 -124. <br />The response is sufficient. <br />1313 Sherman Street, Room 215, Denver, CO 80203 P 303.866.3567 F 303.832.8106 http: / /mining.state.co.us <br />John W. Hickenlooper, Governor I Mike King, Executive Director I Virginia Brannon, Director <br />Colo <br />'f 1876 �` <br />